#--
# Copyright (c) 2007 Maximilian Ott
# 
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# 
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#++
#
# Create a table holding various types and versions of documents
#
# The actual content is held in a file.
#
class CreateDocuments < ActiveRecord::Migration
  def self.up
    create_table :documents do |t|
      t.column "document_id", :string   # UUID for this document (same over all versions)
      t.column "version_id", :string   # UUID for this particular version of the document
      t.column "reference_id", :integer
      t.column "file_name", :string
      t.column "content_type", :string
      t.column "position", :integer
      t.column "type", :string      
      t.column "created_at", :datetime # should never be updated!
    end
  end

  def self.down
    drop_table :documents
  end
end
